Explanipedia

Conceptual Design Report of Super Tau-Charm Facility: The Accelerator Open

Jie Bao, A. Bogomyagkov, Zexin Cao, Mingxuan Chang, Fangzhou Chen , et al. · 2025

Electron-positron colliders operating in the GeV region of center-of-mass energies or the Tau-Charm energy region, have been proven to enable competitive frontier research, due to its several unique features. With the progress of high ener…

Design, Fabrication, and Cold Test of a High-Efficiency C-Band Traveling-Wave Accelerating Structure Open

Yihao Zhang, Zhicheng Huang, Yelong Wei, Li Sun, Zexin Cao , et al. · 2025

Efficient approach for optimizing couplers in traveling-wave accelerating and deflecting structures Open

Zhicheng Huang, Yelong Wei, Zexin Cao, Li Sun, Yihao Zhang , et al. · 2025

A new design technique combining the improved Kyhl method with the improved Kroll method has been developed to efficiently match couplers for traveling-wave (TW) accelerating structures [Z. Huang , ]. However, such a new technique requires…

New design techniques on matching couplers for traveling-wave accelerating structures Open

Zhicheng Huang, Yelong Wei, Zexin Cao, Li Sun, Guangyao Feng , et al. · 2024

Numerical optimizations on couplers of the traveling-wave (TW) accelerating structures usually require lots of calculation resources. This paper proposes a new technique for matching couplers to an accelerating structure in a more efficien…

New design and preliminary tests of a novel matching section for dielectric-loaded accelerating structures Open

Yelong Wei · 2023

In our previous studies on the development of a new type of matching section for dielectric-loaded accelerating (DLA) structures, a significant discrepancy was found between measurements and simulations [Y. Wei, et al., Phys. Rev. Accel. B…

Design, fabrication, and low-power rf measurement of an -band dielectric-loaded accelerating structure Open

Yelong Wei, Hikmet Bursali, Alexej Grudiev, Ben Freemire, Chunguang Jing , et al. · 2022

This paper presents the design, fabrication, and low-power rf measurement of an externally powered X-band dielectric-loaded accelerating (DLA) structure with a dielectric constant ϵ_{r}=16.66 and a loss tangent tanδ=3.43×10^{−5}. A dielect…

A Compact, Low-Field, Broadband Matching Section for Externally Powered <i>X</i>-Band Dielectric-Loaded Accelerating Structures Open

Yelong Wei, Alexej Grudiev, Ben Freemire, Chunguang Jing · 2022

It has been technically challenging to efficiently couple external radio frequency (RF) power to cylindrical dielectric-loaded accelerating (DLA) structures, especially when the DLA structure has a high dielectric constant. This article pr…

arXiv : Design, fabrication and low-power RF measurement of an X-band dielectric-loaded accelerating structure Open

Yelong Wei, Carsten Welsch, Rolf Wegner, Alexej Grudiev, Joel Sauza Bedolla , et al. · 2021

Dielectric-loaded accelerating (DLA) structures are being studied as an alternative to conventional disk-loaded copper structures to produce the high accelerating gradient. This paper presents the design, fabrication and low-power RF measu…

A Compact, Low-Field, Broadband Matching Section for Externally-Powered X-Band Dielectric-Loaded Accelerating Structures Open

Yelong Wei, Hikmet Bursali, Nuria Catalán Lasheras, Ben Freemire, Sergio Gonzalez Anton , et al. · 2021

It has been technically challenging to efficiently couple external radiofrequency (RF) power to cylindrical dielectric-loaded accelerating (DLA) structures. This is especially true when the DLA structure has a high dielectric constant. Thi…

Simulations for MeV Energy Gain in Multi-Micron Vacuum Channel Dielectric Structures Driven by a CO₂ Laser Open

Gyanendra Yadav, Ö. Apsimon, Yelong Wei, Carsten Welsch, Guoxing Xia · 2021

Dielectric Laser Accelerators (DLAs) have been demonstrated as a novel scheme for producing high acceleration gradients (~1 GV/m) within the damage threshold of the dielectric. The compactness of the DLAs and the low emittance of the outpu…

A compact, low field, broadband matching section for externally-powered X-band dielectric-loaded accelerating structures Open

Yelong Wei, Alexej Grudiev, Ben Freemire, Chunguang Jing · 2020

It has been technically challenging to efficiently couple external radiofrequency (RF) power to cylindrical dielectric-loaded accelerating (DLA) structures, especially when the DLA structure has a high dielectric constant. This paper prese…

Study of ultra-high gradient acceleration in carbon nanotube arrays Open

Javier Resta-López, Alexandra Alexandrova, Volodymyr Rodin, Yelong Wei, Carsten Welsch , et al. · 2018

Solid-state based wakefield acceleration of charged particles was previously proposed to obtain extremely high gradients on the order of 1-10 TeV/m. In recent years the possibility of using either metallic or carbon nanotube structures is …

Study of Ultra-High Gradient Acceleration in Carbon Nanotube Arrays Open

Javier Resta-López, Alexandra Alexandrova, Yangmei Li, Volodymyr Rodin, Yelong Wei , et al. · 2018

Solid-state based wakefield acceleration of charged particles was previously proposed to obtain extremely high gradients on the order of 1 − 10 TeV/m. In recent years the possibility of using either metallic or carbon nanotube structures i…

Optimization of Dielectric Laser-Driven Accelerators Open

Carsten Welsch, M. Ibison, Jonathan Smith, Yelong Wei, Guoxing Xia · 2018

Dielectric laser-driven accelerators (DLAs) utilizing large electric field from commercial laser system to accelerate particles with high gradients in the range of GV/m have the potential to realize a first particle accelerator ‘on a chip'…

Energy efficiency studies for dual-grating dielectric laser-driven accelerators Open

Yelong Wei, M. Ibison, Javier Resta-López, Carsten Welsch, R. Ischebeck , et al. · 2017

Investigations into dual-grating THz-driven accelerators Open

Yelong Wei, R. Ischebeck, M. Dehler, Enrico Ferrari, Nicole Hiller , et al. · 2017

Advanced acceleration technologies are receiving considerable interest in order to miniaturize future particle accelerators. One such technology is the dual-grating dielectric structures, which can support accelerating fields one to two or…

Dual-grating dielectric accelerators driven by a pulse-front-tilted laser Open

Yelong Wei, M. Ibison, Guoxing Xia, Jonathan D. Smith, Carsten Welsch · 2017

This paper investigates numerically dual-grating dielectric laser-driven accelerators driven by a pulse-front-tilted (PFT) laser, which extends the interaction length and boosts the electrons' energy gain. The optical system necessary to g…

Beam quality study for a grating-based dielectric laser-driven accelerator Open

Yelong Wei, S. P. Jamison, Guoxing Xia, Kieran Hanahoe, Li Yang , et al. · 2017

Dielectric laser-driven accelerators (DLAs) based on grating structures are considered to be one of the most promising technologies to reduce the size and cost of future particle accelerators. They offer high accelerating gradients of up t…

Dual-Grating Dielectric Accelerators Driven by A Pulse-Front-Tilted Laser Open

Yelong Wei, M. Dehler, Eugenio Ferrari, Nicole Hiller, R. Ischebeck , et al. · 2017

Dual-grating Dielectric Laser-driven Accelerators (DLAs) are considered to be one of the most promising technologies to miniaturize future particle accelerators. Accelerating gradients in the GV/m range seem accessible and 690 MV/m has bee…

AWAKE, The Advanced Proton Driven Plasma Wakefield Acceleration Experiment at CERN Open

E. Gschwendtner, E. Adli, L. D. Amorim, R. Apsimon, R. Aßmann , et al. · 2016

Beam Dynamics Studies into Grating-based Dielectric Laser-driven Accelerators Open

Yelong Wei, Kieran Hanahoe, S. P. Jamison, Yangmei Li, Jonathan Smith , et al. · 2016

Dielectric laser-driven accelerators (DLAs) based on gratings confine an electromagnetic field induced by a drive laser into a narrow vacuum channel where electrons travel and are accelerated. This can provide an alternative acceleration t…

Numerical Study of a Multi-stage Dielectric Laser-driven Accelerator Open

Yelong Wei, Guoxing Xia, Jonathan Smith, Kieran Hanahoe, Ö. Mete , et al. · 2015

In order to overcome the limits of commonly used radiofrequency accelerators, it is highly desirable to reduce the unit cost and increase the maximum achievable accelerating gradient. Dielectric laser-driven accelerators (DLAs) based on gr…

Status of CLARA, a New FEL Test Facility Open

James Clarke, Peter McIntosh, V. Paramonov, Stewart Boogert, Edward W. Snedden , et al. · 2015

CLARA is a new FEL test facility being developed at STFC Daresbury Laboratory in the UK. The main motivation for CLARA is to test new FEL schemes that can later be implemented on existing and future short wavelength FELs. Particular focus …

Investigations into Dielectric Laser-Driven Accelerators using the CST and VSIM Simulation Codes Open

Yelong Wei, Kieran Hanahoe, Ö. Mete, Johnny Smith, Carsten Welsch , et al. · 2015

Dielectric laser-driven accelerators (DLAs) based on gratings structures confine the laser-induced accelerating field in a narrow vacuum channel where the electrons travel and are being accelerated. Recent proof-of-principle experiments ha…

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